knfsd: nfsd4: return nfserr_wrongsec

Make the first actual use of the secinfo information by using it to return
nfserr_wrongsec when an export is found that doesn't allow the flavor used on
this request.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Andy Adamson <andros@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/nfsd/export.h b/include/linux/nfsd/export.h
index 1ba53e524749..424be41130ba 100644
--- a/include/linux/nfsd/export.h
+++ b/include/linux/nfsd/export.h
@@ -116,6 +116,7 @@ struct svc_expkey {
 #define EX_NOHIDE(exp)          ((exp)->ex_flags & NFSEXP_NOHIDE)
 #define EX_WGATHER(exp)         ((exp)->ex_flags & NFSEXP_GATHERED_WRITES)
 
+__be32 check_nfsd_access(struct svc_export *exp, struct svc_rqst *rqstp);
 
 /*
  * Function declarations
diff --git a/include/linux/nfsd/nfsd.h b/include/linux/nfsd/nfsd.h
index ce5e345a9bce..62499c2f0918 100644
--- a/include/linux/nfsd/nfsd.h
+++ b/include/linux/nfsd/nfsd.h
@@ -236,6 +236,7 @@ void		nfsd_lockd_shutdown(void);
 #define nfserr_badname          __constant_htonl(NFSERR_BADNAME)
 #define nfserr_cb_path_down     __constant_htonl(NFSERR_CB_PATH_DOWN)
 #define nfserr_locked           __constant_htonl(NFSERR_LOCKED)
+#define nfserr_wrongsec         __constant_htonl(NFSERR_WRONGSEC)
 #define nfserr_replay_me        __constant_htonl(NFSERR_REPLAY_ME)
 
 /* error codes for internal use */